focal length
短语词组
- Focal distance length 焦距长度
- Focal -Length 焦距
- focal l length 焦距;镜头焦距
- focal l length ratio 焦距比
- focal l length gauge 焦距计
- focal center length 光心高度
- focal aperture length calibration 焦距检定
- focal -length extender [摄]变倍附加镜头
- focal aperture length 焦距 返回 focal length